Dataset {
    Float32 /trajectoryNameLen[15];
    String /trajectory_id[15];
    Float64 /latitude_time[11];
    Float64 /longitude[9];
    Float64 /longitude_time[9];
    Float64 /latitude[11];
    Float32 /depth[29];
    Float64 /depth_time[29];
} cell-Normal.nc4;